Unibond General Purpose Silicone is an acetoxy-curing silicone sealant which forms a permanent, flexible seal. Movement capacity ± 12.5%. The sealant provides a weatherproof seal and has excellent adhesion to most construction materials. The sealant is weatherproof and has excellent adhesion to most construction materials, including plastics, vitreous enamel, glass, metal, aluminium, brickwork, glazed ceramic and porcelain tiles. Also suitable for draught-proofing windows and doors, and for sealing gutters and downpipes. NOT suitable for polycarbonate sheets, over-painting or in aquaria. For use as a building sealant only. It may stain some natural stone surfaces. Coverage: approx. 10.6m using a 6mm bead. Package Includes: 2x Unibond General Purpose Silicone Cartridge Translucent 273g